DIN rail installing portion structure of electrical appliance and socket

A DIN (Deutsche Industrie Normen) rail installing portion structure of an electrical appliance, comprising:

• a fitting groove, which is fitted to a DIN rail;
• and at least one claw portion, which is formed on one of both side surface portions of the fitting groove;
• and clamping one side of edge portions protruding on both sides of the DIN rail by the claw portion to hold the electrical appliance on the DIN rail, wherein
• the claw portion elastically presses the one side of the edge portions protruding on both sides of the DIN rail in a thickness direction of the DIN rail,
• wherein the claw portion clamps the edge portions in the thickness direction, and a width of the claw for clamping the edge portions is elastically changed corresponding to a thickness of the edge portions, and
• wherein the claw portion comprises:
• an erected wall, which configures a side surface of the fitting groove, and is erected from an extension surface of a bottom surface of the fitting groove;
• a pressing portion, which is provided extending to an inner side of the fitting groove from the erected wall like a cantilever;
• a notch groove, which is orthogonal to the DIN rail on the fitting groove on an outer side extension surface of the bottom surface of the fitting groove on the erected wall, and
• wherein a portion of the other of both side surface portions of the fitting groove is an opening treated as an outlet of a slide guide path;
• and
• the DIN rail installing portion structure of an electrical appliance further comprises a rail holder having a rail locking portion, and the rail holder is slidably guided into the slide guide path.